--- product_id: 489810029 title: "3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing Wire Wrap" brand: "elecfun" price: "€ 50.90" currency: EUR in_stock: true category: "Elecfun" url: https://www.desertcart.sk/products/489810029-3-inch-3-1-large-marine-grade-adhesive-lined-heat store_origin: SK region: Slovakia --- # Marine grade waterproof & corrosion resistant 3:1 shrink ratio for ultra-tight seal Shrinks at 80-125°C for quick, professional fixes 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing Wire Wrap **Brand:** elecfun **Price:** € 50.90 **Availability:** ✅ In Stock ## Summary > 🔥 Seal it tight, shrink it right! 🔥 ## Quick Answers - **What is this?** 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing Wire Wrap by elecfun - **How much does it cost?** € 50.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/489810029-3-inch-3-1-large-marine-grade-adhesive-lined-heat) ## Best For - elecfun enthusiasts ## Why This Product - Trusted elecfun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit Every Time:** 3-inch diameter shrinks down to 1 inch, ensuring a snug, secure wrap that outperforms standard tubing. - • **Instant Professional Seal:** Adhesive-lined interior melts on heating, creating a permanent, moisture-proof bond in seconds. - • **Certified Quality & Safety:** UL-listed and compliant with SGS, RoHS, REACH, CE, and ISO9001 standards for peace of mind in every project. - • **Built to Brave the Elements:** Marine-grade, dual-wall construction offers unbeatable abrasion resistance and watertight sealing—perfect for harsh environments. - • **Versatile & Ready for Anything:** Ideal for industrial, automotive, marine, and DIY electrical applications—plus available in multiple sizes and colors to fit your exact needs. ## Overview ELECFUN’s 3-inch large marine grade heat shrink tubing features a powerful 3:1 shrink ratio, dual-wall waterproof design, and adhesive lining that creates a durable, corrosion-resistant seal. With UL and international certifications, it’s engineered for professional-grade electrical insulation and protection across industrial, automotive, and marine applications. ## Description 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing Wire Wrap | ELECFUN 4Ft 3Inch Black,Heatshrink Tube Roll,Waterproof Dual Wall,Wire,Shrinkable,Seal Against Moisture Corrosion Air Leakage: desertcart.com: Industrial & Scientific ## Features - The Round Diameter is 3" / 80mm (Before Shrinking) and 1" / 25.4mm (After Shrinking). For packaging convenience, we pressure the tubing into a packing size of 5" / 127mm - Package: 1 pcs black 3 inch large marine grade heat shrink tubing roll, total length: 4 feet - 3:1 Shrink Ratio: Shrink ratio of our industrial heatshrink tube is 3:1, which makes a tighter seal. Shrinkage temperature: 80 - 125 ℃, professional connections made in seconds - Adhesive Lined Heat Shrink Tubing: While heating, the adhesive lined comes out and seals the connection, creating water tight and long-lasting sealing - Dual Wall Tube and Safer: Outer wall provides abrasion resistance. The inner wall creates a water tight sealing and strain relief. All heat shrink tubing is UL-listed and compliant with SGS, RoHS, REACH, CE, and ISO9001 standards - Wide Applications: ELECFUN's waterproof shrink tube are mainly used for industrial, ship, automotive, wire links, anti-rust and anti-corrosion protection of solder joints, wiring wrap, cable protection, and audio and electrical DIY - More Sizes: Our factory offers various color and size (e.g. 3/32" ... 1.25",1.5",1.75", 2.5",3",3.5", 4", and larger dia) small, big, rolls and kits, shrink ratio 2:1, 3:1, and 4:1. Support custom size, special usage tubes and high volume B2B purchasing. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09STBHCG2 | | Best Sellers Rank | #1,480 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Industrial Heat-Shrink Tubing | | Brand Name | ELECFUN | | Color | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (1,830) | | Item Dimensions L x W | 48"L x 1"W | | Item Length | 4 feet | | Manufacturer | ELECFUN | | Material Type | Polyolefin | | Maximum Pressure | 10 bar | | Nominal Wall Thickness | 3 Inches | | Outside Diameter | 3 inches | | UPC | 192389013099 | | Unit Count | 4 Feet | ## Product Details - **Brand:** ELECFUN - **Color:** Black - **Item Length:** 4 feet - **Manufacturer:** ELECFUN - **Material:** Polyolefin - **Maximum Pressure:** 10 bar - **Nominal Wall Thickness:** 3 Inches - **Outside Diameter:** 3 inches - **Product Dimensions:** 48"L x 1"W - **UPC:** 192389013099 ## Images ![3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing Wire Wrap - Image 1](https://m.media-amazon.com/images/I/610YxK+OsIL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - ELECFUN 3 Inch Heat Shrink Tubing Roll, 3:1 Large Marine Grade Adhesive Lined Heatshrink Tube, Heavy Duty Dual Wall Shrinkable Wiring Wrap, Seal Against Moisture Corrosion and Air Leakage 4 ft - XHF 2 Inch (50mm) 3:1 Waterproof Heat Shrink Tubing Marine Grade Wire Cable Adhesive Lined Tube Insulation Seal Against Moisture Corrosion and Air Leakage, 4 Ft Black - 2 Inch Heat Shrink Tubing - 5 Ft 3:1Ratio Waterproof Heat Shrink Tubin - Adhesive Lined,Dual Wall Adhesive Shrinkable Wire Wrap Tube - Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/489810029-3-inch-3-1-large-marine-grade-adhesive-lined-heat](https://www.desertcart.sk/products/489810029-3-inch-3-1-large-marine-grade-adhesive-lined-heat) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-09-07*